over one's head

adj

The math problem was over my head.

意味（1）

(idiomatic) More complex or confusing than one can understand; beyond one’s comprehension.

This is way over my head. Can you explain it more simply?

意味（2）

(idiomatic) More than one can handle; too much (especially in over one's head).

I’m in over my head on this project. Can you help?

意味（3）

(idiomatic, sports) Performing at a level greatly superior to one's usual level of performance.

He just shot a spectacularly over his head round of golf and beat all of us.

意味（4）

意味（5）

Used other than figuratively or idiomatically: see over, head.